21. deserve to do sth 值得/应该做……
22. encourage sb to do sth 鼓励某人去做某事
23. enjoy doing sth 乐意去做某事
24. expect (sb) to do sth 期望去做某事
25. fail to do sth 做某事失败
succeed doing sth 成功做了某事
26. finish doing sth 做完某事（后接动词-ing形式）（常考）
27. follow sb to do sth 跟随某人去做某事
28. 让某人做某事（后接动词原形）
get sb to do sth
make sb do sth
let sb do sth
29. get/have a chance to do sth 得到一个做某事的机会
30. give/pass/show/lend/sell sb sth/sth to sb
buy/get/bring sb sth/sth for sb